Works Quoted
- Adams , A. W. 1951 . Pagiophyllum gracillimum, sp. nov., a Conifer from the Jurassic of Yorkshire . Ann. & Mag. Nat. Hist. London , 4 ( 12 ) : 1132 – 1140 .
- Black , M. 1929 . Drifted plant beds in the upper estuarine series of Yorkshire . Quart. J. Geol. Soc. Lond. , 85 : 389 – 439 .
- Compton , R. H. 1922 . A syatematic account of the plants collected in New Caledonia and the isle of pines, II. Gymnosperms . J. Linn. Soc. Bot. London , 45 : 421 – 434 . pls. 26, 27.
- Florin , R. 1931 . Untersuchungen zur Stammesgeschichte der Coniferales und Cordaitales . K. Svensk. Vet.-Akad. Handl. , 10 ( 3 ) : 588 – 588 . 58 pls.
- Florin , R. 1944 . “ Die Coniferen des Oberkarbons and des Perms, VII ” . In Palaeontographica Vol. 85B , 457 – 654 . Stuttgart pls. 173–186.
- Florin , R. 1948 . On Nothotaxus, a new genus of the taxaceae, from Eastern China . Acta Horti. Bergiani , 14 : 9 – 9 .
- Harris , T. M. 1935 . The fossil flora of scoresby sound, East Greenland, IV . Medd. om Grønland , 112 : 1 – 176 . pls. 1–29.
- Hareis , T. M. 1951 . Notes on the Jurassic flora of Yorkshire, 49–51 . Ann. de Mag. Nat. Hist. London , 4 ( 12 ) : 915 – 937 .
- Hirmer , M. and Hörhammer , L. 1934 . “ Zer Weiteren Kenntnis von Cheirolepis Schimper und Hirmeriella Hörhammer mit Bemerkungen über deren systematische Stellung ” . In Palaeontographica Vol. 79 B , 67 – 84 . Suttgart pl. 8.
- Kendall , M. W. 1947 . On five species of Brachyphyllum from the Jurassic of Yorkshire and Wiltshire . Ann. & Mag. Nat. Hist. London , 14 ( 11 ) : 225 – 251 .
- Phillips , J. 1875 . Illustrations of the Geology of Yorkshire, I. The Yorkshire Coast. , 3rd ed. , 354 – 354 . London : R. Etheridge .
- Seward , A. C. 1900 . The Jurassic Flora, I. The Yorkshire Coast . Brit. Mus. Cat. Mesozoic Plants , : xii – xii . + 341 pp., 21 pls.